Package org.apache.hadoop.ipc

Examples of org.apache.hadoop.ipc.RemoteException

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      if (num_calls > num_calls_allowed) {
        throw new IOException("addBlock called more times than "
                              + RETRY_CONFIG
                              + " allows.");
      } else {
          throw new RemoteException(NotReplicatedYetException.class.getName(),
                                    ADD_BLOCK_EXCEPTION);
      }
    }
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        final MD5MD5CRC32FileChecksum checksum = DFSClient.getFileChecksum(
            DataTransferProtocol.DATA_TRANSFER_VERSION,
            filename, nnproxy.getProxy(), nnproxy, socketFactory, socketTimeout);
        MD5MD5CRC32FileChecksum.write(xml, checksum);
      } catch(IOException ioe) {
        new RemoteException(ioe.getClass().getName(), ioe.getMessage()
            ).writeXml(filename, xml);
      }
      xml.endDocument();
    }
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          if (call != null) {
            call.setValue(value);
          }
        } else if (state == Status.ERROR.state) {
          if (call != null) {
            call.setException(new RemoteException(WritableUtils.readString(in), WritableUtils
                .readString(in)));
          }
        } else if (state == Status.FATAL.state) {
          // Close the connection
          markClosed(new RemoteException(WritableUtils.readString(in),
                                         WritableUtils.readString(in)));
        }
      } catch (IOException e) {
        if (e instanceof SocketTimeoutException && remoteId.rpcTimeout > 0) {
          // Clean up open calls but don't treat this as a fatal condition,
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        }
        int state = in.readInt(); // Read the state.  Currently unused.
        if (isError) {
          if (call != null) {
            //noinspection ThrowableInstanceNeverThrown
            call.setException(new RemoteException(WritableUtils.readString(in),
                WritableUtils.readString(in)));
          }
        } else {
          Writable value = ReflectionUtils.newInstance(valueClass, conf);
          value.readFields(in);                 // read value
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        }
        int state = in.readInt(); // Read the state.  Currently unused.
        if (isError) {
          if (call != null) {
            //noinspection ThrowableInstanceNeverThrown
            call.setException(new RemoteException(WritableUtils.readString(in),
                WritableUtils.readString(in)));
          }
        } else {
          Writable value = ReflectionUtils.newInstance(valueClass, conf);
          value.readFields(in);                 // read value
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          Response resp = eh.toResponse(oe);
         
          // Mimic the client side logic by parsing the response from server
          //
          Map<?, ?> m = (Map<?, ?>)JSON.parse(resp.getEntity().toString());
          RemoteException re = JsonUtil.toRemoteException(m);
          Exception unwrapped = ((RemoteException)re).unwrapRemoteException(
              StandbyException.class);
          assertTrue (unwrapped instanceof StandbyException);
          return null;
        }
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          CacheDirectiveEntry entry = entries.get(i);
          if (entry.getInfo().getId().equals((Long)id)) {
            return new SingleEntry(entry);
          }
        }
        throw new RemoteException(InvalidRequestException.class.getName(),
            "Did not find requested id " + id);
      }
      throw e;
    }
    Preconditions.checkNotNull(entries);
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      // extract UGI-related exceptions and unwrap InvalidToken
      // the NN mangles these exceptions but the DN does not and may need
      // to re-fetch a token if either report the token is expired
      if (re.getMessage().startsWith("Failed to obtain user group information:")) {
        String[] parts = re.getMessage().split(":\\s+", 3);
        re = new RemoteException(parts[1], parts[2]);
        re = ((RemoteException)re).unwrapRemoteException(InvalidToken.class);
      }
      throw unwrapException? toIOException(re): re;
    }
    return null;
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  /** Convert a Json map to a RemoteException. */
  public static RemoteException toRemoteException(final Map<?, ?> json) {
    final Map<?, ?> m = (Map<?, ?>)json.get(RemoteException.class.getSimpleName());
    final String message = (String)m.get("message");
    final String javaClassName = (String)m.get("javaClassName");
    return new RemoteException(javaClassName, message);
  }
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  public void allowSnapshot(String[] argv) throws IOException {  
    DistributedFileSystem dfs = getDFS();
    try {
      dfs.allowSnapshot(new Path(argv[1]));
    } catch (SnapshotException e) {
      throw new RemoteException(e.getClass().getName(), e.getMessage());
    }
    System.out.println("Allowing snaphot on " + argv[1] + " succeeded");
  }
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  • org.apache.hadoop.hbase.ipc.RpcClient$Connection
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